Groups > comp.os.linux.development.apps > #710

Re: shred or scrub

From	"Bill Cunningham" <nospam@nspam.invalid>
Newsgroups	comp.os.linux.development.system, comp.os.linux.development.apps
Subject	Re: shred or scrub
Date	2014-04-21 18:44 -0400
Organization	A noiseless patient Spider
Message-ID	<lj4702$ivc$1@dont-email.me> (permalink)
References	<limvgj$tse$1@dont-email.me> <lio9r0$3jl$1@dont-email.me><lisn3i$elq$1@dont-email.me><87ppkd2cx5.fsf@sable.mobileactivedefense.com><lj01j8$18f$1@dont-email.me> <87ioq45fch.fsf@thumper.dhh.gt.org>

Cross-posted to 2 groups.

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"John Hasler" <jhasler@newsguy.com> wrote in message 
news:87ioq45fch.fsf@thumper.dhh.gt.org...
> If there is so much entropy available then it will never block, will it?
> On the other hand, if it does block, there wasn't as much entropy
> available *on that particular system* as you thought.  You'd be
> surprised how easy it is to run a low-activity machine out of entropy.
>
> In practice one uses random for paranoid activities such as generating
> important keys and urandom for everything else.  You are, of course,
> free to use urandom to generate your new GPG key.

I have used uuid -v4 -n 20 to generate a random key. Of course this may be 
not "truly" random. And then used mcrypt to crypt a file. Seems to work 
pretty cool.

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Thread

shred or scrub "Bill Cunningham" <nospam@nspam.invalid> - 2014-04-16 18:17 -0400
  Re: shred or scrub crankypuss <crankypuss@nomail.invalid> - 2014-04-17 04:19 -0600
    Re: shred or scrub "Bill Cunningham" <nospam@nspam.invalid> - 2014-04-18 22:30 -0400
      Re: shred or scrub Jasen Betts <jasen@xnet.co.nz> - 2014-04-19 07:42 +0000
        Re: shred or scrub Richard Kettlewell <rjk@greenend.org.uk> - 2014-04-19 10:04 +0100
      Re: shred or scrub crankypuss <crankypuss@nomail.invalid> - 2014-04-19 02:15 -0600
      Re: shred or scrub Rainer Weikusat <rweikusat@mobileactivedefense.com> - 2014-04-19 23:05 +0100
        Re: shred or scrub crankypuss <crankypuss@nomail.invalid> - 2014-04-20 02:47 -0600
          Re: shred or scrub John Hasler <jhasler@newsguy.com> - 2014-04-20 07:56 -0500
            Re: shred or scrub crankypuss <crankypuss@nomail.invalid> - 2014-04-21 03:51 -0600
              Re: shred or scrub Jasen Betts <jasen@xnet.co.nz> - 2014-04-21 11:50 +0000
                Re: shred or scrub crankypuss <crankypuss@nomail.invalid> - 2014-04-21 06:14 -0600
            Re: shred or scrub "Bill Cunningham" <nospam@nspam.invalid> - 2014-04-21 18:44 -0400
          Re: shred or scrub Rainer Weikusat <rweikusat@mobileactivedefense.com> - 2014-04-21 13:24 +0100
            Re: shred or scrub crankypuss <crankypuss@nomail.invalid> - 2014-04-22 04:10 -0600
              Re: shred or scrub Rainer Weikusat <rweikusat@mobileactivedefense.com> - 2014-04-22 14:39 +0100
  Re: shred or scrub David Brown <david.brown@hesbynett.no> - 2014-04-17 16:41 +0200
  Re: UNIX(*)/ Linux history & system design Rainer Weikusat <rweikusat@mobileactivedefense.com> - 2014-05-07 22:01 +0100
    Re: UNIX(*)/ Linux history & system design crankypuss <crankypuss@nomail.invalid> - 2014-05-08 03:37 -0600
      Re: UNIX(*)/ Linux history & system design Rainer Weikusat <rweikusat@mobileactivedefense.com> - 2014-05-08 14:02 +0100
        Re: UNIX(*)/ Linux history & system design Rainer Weikusat <rweikusat@mobileactivedefense.com> - 2014-05-08 15:43 +0100
        Re: UNIX(*)/ Linux history & system design crankypuss <crankypuss@nomail.invalid> - 2014-05-09 02:56 -0600
          Re: UNIX(*)/ Linux history & system design Rainer Weikusat <rweikusat@mobileactivedefense.com> - 2014-05-09 17:57 +0100

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